767340-03-4

基本信息
(2Z)-4-氧代-4-[3-(三氟甲基)-5,6-二氢-[1,2,4]三唑并[4,3-A]吡嗪-7(8H)-基]-1-(2,4,5-三氟苯基)-2-丁烯胺
(2Z)-4-氧代-4-[3-(三氟甲基)-5,6-二氢-[1,2,4]三唑并[4,3-A]吡嗪-7(8H)-基]-1-(2,4,5-三氟苯基)丁-2-烯-2-胺
(2Z)-3-Amino-1-[5,6-dihydro-3-(trifluoromethyl)-1,2,4-triazolo[4,3-α]pyrazin-7(8H)-yl]-4-(2,4,5-trifluorophenyl)-2-buten-1-one
(2Z)-4-Oxo-4-[3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-α]pyrazin -7(8H)-yl]-1-(2,4,5-trifluorophenyl)but-2-en-2-amine
(2Z)-4-oxo-4-[3-(trifluoromethyl)-5,6-dihydro[1,2,4]triazolo[4,3-a]
(2Z)-3-Amino-1-[5,6-dihydro-3-(trifluoromethyl)-1,2,4-triazolo[4,3-a]pyrazin-7(8H)-yl]-4-(2,4,5-trifluorophenyl)-2-buten-1-one
(2Z)-4-Oxo-4-[3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl]-1-(2,4,5-trifluorophenyl)but-2-en-2-amine
(2Z)-4-Oxo-4-[3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazine-7(8H)-yl]-1-(2,4,5-trifluorophenyl)but-2-en-2-amine
物理化学性质
制备方法
![(2Z)-4-氧代-4-[3-(三氟甲基)-5,6-二氢-[1,2,4]三唑并[4,3-a]吡嗪-7-(8H)-基]-1-(2,4,5-三氟苯基)丁-2-酮](/CAS/GIF/764667-65-4.gif)
764667-65-4
![(2Z)-4-氧代-4-[3-(三氟甲基)-5,6-二氢-[1,2,4]三唑并[4,3-a]吡嗪-7(8H)-基]-1-(2,4,5-三氟苯基)丁-2-烯-2-胺](/CAS/GIF/767340-03-4.gif)
767340-03-4
实施例1:制备(Z)-3-氨基-1-(3-(三氟甲基)-5,6-二氢-[1,2,4]三唑并[4,3-a]吡嗪-7(8H)-基)-4-(2,4,5-三氟苯基)丁-2-烯-1-酮。将4-氧代-4-[3-(三氟甲基)-5,6-二氢-[1,2,4]三唑并[4,3-a]吡嗪-7(8H)-基]-1-(2,4,5-三氟苯基)丁-2-酮(427.0g,根据US 7,326,708 B2或J. Am. Chem. Soc. 2009制备)与甲醇(1000ml)混合,在25-30℃下通入干燥氨气(53.6g)。随后将反应混合物加热至回流(60-65℃),并在此温度下维持反应3.0-4.0小时。反应完成后,将混合物冷却至0-5℃,过滤收集沉淀的固体,并用冷甲醇洗涤。湿滤饼在60-65℃下干燥,得到340.0g目标产物(2Z)-4-氧代-4-[3-(三氟甲基)-5,6-二氢-[1,2,4]三唑并[4,3-a]吡嗪-7(8H)-基]-1-(2,4,5-三氟苯基)丁-2-烯-2-胺,摩尔产率为79.8%,HPLC纯度为98.99%。
参考文献:
[1] Journal of the American Chemical Society, 2009, vol. 131, # 25, p. 8798 - 8804
[2] Patent: WO2016/110750, 2016, A1. Location in patent: Page/Page column 15; 16
[3] Patent: WO2004/85378, 2004, A1. Location in patent: Page 16
[4] Patent: WO2005/97733, 2005, A1. Location in patent: Page/Page column 23-24
[5] Patent: WO2006/81151, 2006, A1. Location in patent: Page/Page column 14; 15